FII invests both directly and through private equity funds in Finnish companies; in rapid growth, internationalisation, spin-offs, major industrial investments, as well as sectoral, corporate and ownership restructurings.

FII is part of the Finnish national innovation system, which seeks to stimulate Finnish industry, promote the development and deployment of new technology, while creating new growth companies, jobs and wellbeing. FII contributes to the innovation system services by providing venture capital and private equity financing to companies. Its key principle is to work hand-in-hand with private investors from Finland and abroad, to share risks while boosting the availability of funding, investment expertise and networks.